Select one of the many organizations that developed a numbering system for metals and alloys.
A. AISI - American Iron and Steel Institute
B. SAE - Society of Automotive Engineers
C. ASTM - American Society for Testing Materials
D. all of the above
Answer: D
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Which of the following describes a raw material or intermediate component used to make something else?
A) Feedstock B) Process C) Production D) Output
Coal is a product of the remains of ancient ____
a. marine organisms b. arthropods buried in swamps c. plants buried in swamps d. plants buried in marine sediments
Which Italian city was the third largest in Europe in 1800, with a population of over 350,000?
a. Venice b. Florence c. Rome d. Naples
Technician A says rheostats have three connections, one at each end of the resistance and one connection to a sliding contact with the resistor. Technician B says potentiometers have two connections, one at the power end of the resistance and one connected to a sliding contact with the resistor. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B